Title:
VEHICLE CONTROL DEVICE, AND OVERHEAT PROTECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/195224
Kind Code:
A1
Abstract:
This vehicle control device comprises: a current detecting unit for detecting a current flowing through a conducting wire, and outputting a current detected value; a current interrupting unit for interrupting the current flowing through the conducting wire; and a computing element for using the current detected value to calculate a temperature rise value of the conducting wire due to Joule heat, estimating an environmental temperature of an environment in which the conducting wire is routed, on the basis of the temperature rise value, outside air temperature information of a vehicle, inside air temperature information of a vehicle cabin interior, and solar radiation information, and determining the necessity to output a current interruption instruction to the current interrupting unit, on the basis of a temperature of the conducting wire estimated using the environmental temperature.
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Inventors:
NAKANO HIROSHI (JP)
KANEKAWA NOBUYASU (JP)
FUKUDA TAKAO (JP)
JUMONJI KENTARO (JP)
KANEKAWA NOBUYASU (JP)
FUKUDA TAKAO (JP)
JUMONJI KENTARO (JP)
Application Number:
PCT/JP2023/003807
Publication Date:
October 12, 2023
Filing Date:
February 06, 2023
Export Citation:
Assignee:
HITACHI ASTEMO LTD (JP)
International Classes:
H02H5/04; B60R16/02
Foreign References:
| JP2009130944A | 2009-06-11 | |||
| JP2020131804A | 2020-08-31 | |||
| JP2005335526A | 2005-12-08 |
Attorney, Agent or Firm:
SHIN-YU INTERNATIONAL PATENT FIRM (JP)
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